Answer:
I dont speak thos language but i wish i could help
How does the immune system
produce memory cells for antigens?
This is the BEST research
question for students to ask if they are conducting research on antibodies
because t<span>he answer to this question must tell about
production of B-cells, recognition of antigen, T-helper cells, colony formation,
and phagocytosis of foreign antigen, T-killer cells, and all other details which
is possible.</span>
Answer:
D
Explanation:
Cells are living things therefore, nonlivng objects do not have cells
Answer:
Specie
Explanation:
They are a group that interbreed with each other, only, since they cannot produce fertile offspring with those of another species.